It is managed by the scientific community organized in the voluntary Association to Promote a German Education and Research Network (Verein zur Förderung eines Deutschen Forschungsnetzes e.V.)
which was founded in 1984 by universities, non-university research institutions and research-oriented companies to stimulate computerized communication in Germany.
DFN's "super core" backbone X-WiN network points of presence are - for example - based in Erlangen, Frankfurt, Hannover and Potsdam with more than 70 locations and can route up to 1 TBit/s with over 10000 km of dedicated fibre connections.
[1] Many connections to other networks such as GÉANT2[2] or DECIX are 100G-based and are implemented at the super core.
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